Kybella is an FDA-approved injectable treatment that destroys fat cells under the chin to improve your profile. At each treatment multiple injections under the chin are administered, the exact number of injections will depend on the amount of fat you have under your chin and your desired profile. Patients can receive up to 6 treatments spaced at least 1 month apart. After each Kybella treatment, you will likely have some swelling, bruising, or numbness under your chin. Results are noticeable in as few as four to six weeks and lasts for years.